20781342 is an even 8-digits composite number following 20781341
and preceding 20781343 . In scientific notation, it is written as 2.0781342 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 6518400 positive integers (up to 20781342) that are relatively prime to 20781342.
20781342 has 32 divisors, whose sum is 36741600
The reverse of 20781342 is 24318702
Previous prime number is 971
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million seven hundred eighty-one thousand three hundred forty-two
Scientific notation
2.0781342 × 10^7
Engineering notation
2.0781342 × 10^6
Prime Factorization
2 × 9 × 29 × 971 × 41
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20781342
Product of the distinct prime numbers
The prime factorization of 20781342 is 2 × 9 × 29 × 971 × 41.
Since it has a total of 5 prime factors.
5 , 8 , 54 , 99 , 561 , 343 , 6509 , 674 , 56031 , 25763 , 315873 , 820832 , 680112 , 6482650 , 25250895 , 80180188 , 676479369 , 226314055 , 5981539158 , 1264412419
n×2
41562684
n×3
62344026
n×4
83125368
n×5
103906710
n÷2
10390671
n÷3
6927114
n÷3
5195335.5
n÷5
4156268.4
n2
431864175320964
n3
8.9747171248929E+21
n4
1.8650666592566E+29
n5
3.8758588098808E+36
2 √n
4558.6557229078
3 √n
274.93151793385
4 √n
67.517817818023
5 √n
29.076003865749
1 , 2 , 9 , 18 , 29 , 41 , 58 , 82 , 261 , 369 , 522 , 738 , 971 , 1189 , 1942 , 2378 , 8739 , 10701 , 17478 , 21402 , 28159 , 39811 , 56318 , 79622 , 253431 , 358299 , 506862 , 716598 , 1154519 , 2309038 , 10390671 , 20781342
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20781341
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20781342 can be divided by 32 positive divisors.
The sum of these divisors (counting 20781342) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010001100100011110
3
Ternary
1110002210122100
4
Quaternary
1033101210132
5
Quinary
20310000332
6
Senary
2021225530
8
Octal
117214436
10
Decimal
20781342
12
Duodecimal
6b622a6
16
Hexadecimal
13d191e
20
Vigesimal
69hd72
36
Base36
cdezi
md5
5d467624bc02e616c939b59e9ae37071
sha1
742131e57ecdb0099e2a4c9120921c009ab79f0b
sha256
22ad22c572098523ad74ee1837aee56e4f8eda37eddd7c6110d8e5c905df9e3d
sha512
bc69b35bdff12cbbf71e5ad24926910658da132613bf0aae047e0a504aef616538385df903d58987297e5a5788b5bfbbdc80ccf8d83b5770a6710d04c374fe16
ripemd-160
e72b997b23f66eea8a0724a504b393a1d7c286e9
Diameter
41562684
Circumference
130573022.71787
Area
1.356741320537E+15
Volume
3.759320718348E+22
Surface area
5.4269652821478E+15
Circumference
130573022.71787
Perimeter
83125368
Area
431864175320964
Diagonal
29389255.700714
Surface area
2591185051925784
Volume
8.9747171248929E+21
Space diagonal
35994340.193465
Perimeter
62344026
Area
1.8700267340619E+14
Altitude
17997170.096733
Surface area
1.8700267340619E+14
Volume
1.0576805563738E+21
Height
9796418.5669045